1% Carbon Dioxide Sampling Data Logger

The 1% Carbon Dioxide Sampling Data Logger is designed to measure carbon dioxide concentrations in enclosed environments such as indoor air quality and HVAC applications. Features Instant CO2 sampling - gain measurements in seconds! User programmable to measure at specific intervals Data Logging with micro SD Card (16GB included), with real-time graphing Li-ion rechargeable batteries lasting 30+ hours (3 included) Applications Indoor Air Quality HVAC Scientific Research Specifications Sensing method: NDIR (Non-Dispersive Infrared) Measures: CO2 - 1% (0-10,000ppm) CO2 Relative Humidity: 0~95%, ±3% @25°C (20~80%RH), others ±5% Temperature: 0~50°C,±1℃ Barometer: 50~110kPa, ±0.4kPa Accuracy: ±70 ppm +/- 5% of reading @ STP Alarm Volume: 80db ±5% @10cm Display Resolution: CO2:  1ppm, 10ppm, or 100ppm  Operating Conditions: 0~50°C(32~122°F), 0~95%RH, non-condensing Storage Temperature: -20~60°C(-4~140°F) Power: (3) Li-ion 18650 Batteries Weight: 305g (without batteries) D